Home / 4,637.80-6,400.58-2,648.36

Finding the Fourth Proportional to 4,637.80, 6,400.58 and 2,648.36

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Solution

The fourth proportional to 4,637.80, 6,400.58 and 2,648.36 is: 3,654.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,637.80 : 6,400.58 = 2,648.36 : x
  2. Step 2: Convert to fraction form
    4,637.80/6,400.58 = 2,648.36/x
  3. Step 3: Cross multiply
    4,637.80x = 6,400.58 × 2,648.36
  4. Step 4: Simplify right side
    4,637.80x = 16,951,040.05
  5. Step 5: Solve for x
    x = 16,951,040.05/4,637.80
  6. Step 6: Final answer
    x = 3,654.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.